using System;
using System.Collections.Generic;
using System.Linq;

namespace yukicoder
{
    public class Program
    {
        public static void Main()
        {
            var n = int.Parse(Console.ReadLine());
            var k = Prime(n);
            var winlose = new bool[n + 1];
            winlose[0] = true;
            winlose[1] = true;
            if (n > 2)
            {
                for (var i = 3; i < n + 1; i++)
                {
                    if (k.Any(value => i - value >= 0 && !winlose[i - value]))
                    {
                        winlose[i] = true;
                    }
                }
            }
            if (winlose[n])
            {
                Console.WriteLine("Win");
            }
            else
            {
                Console.WriteLine("Lose");
            }
        }
        static List<int> Prime(int n)
        {
            var isPrime = new bool[n + 1];
            var k = new List<int>();
            for (int i = 2; i <= n; i++)
            {
                isPrime[i] = true;
            }

            for (int i = 2; i * i <= n; i++)
            {
                if (isPrime[i])
                {
                    for (int j = i * i; j <= n; j += i)
                    {
                        isPrime[j] = false;
                    }
                }
            }

            for (int i = 2; i <= n; i++)
            {
                if (isPrime[i])
                {
                    k.Add(i);
                }
            }
            return k;
        }
    }
}